Using the North America map (Figure 3), locate and label the Canadian provinces and territories (Table 1). Locate and label the U.S.–Canada and the U.S.–Mexico borders. What will be an ideal response?

If a natural gas fracking operation is not carefully controlled, what gas might escape into the atmosphere and create air pollution problems?

A. methane B. carbon dioxide C. sulfur dioxide D. nitrogen

Which of the following is true of the ionization energy of the elements?

A) Ionization energy generally decreases as we move left to right and decreases as we move top to bottom in the periodic table. B) Ionization energy generally decreases as we move left to right and increases as we move top to bottom in the periodic table. C) Ionization energy generally increases as we move left to right and decreases as we move top to bottom in the periodic table. D) Ionization energy generally increases as we move left to right and increases as we move top to bottom in the periodic table.

The ____ is a semi-permanent pressure system characterized by sinking air

a. equatorial low b. subtropical high c. Icelandic low d. westerly e. Gyre

The Humid Subtropical climates (Cfa)

A. are wet year round and are generally located on the east side of continents. B. have a pronounced dry season dry season during the winter. C. are wet year round and are generally located on the west side of continents. D. have a pronounced dry season dry season during the summer.